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1991 Jeep Cherokee, Ignition - Primary Waveform
Posted to the Waveform Library on 5/1/2005

Vehicle at 2000 rpm engine is bucking as you can see secondary is halted. The fix in this one was to resync the distributor with a labscope to fix the worn timing chain.

 

car Vehicle Data

1991 Jeep Cherokee Limited 4.0L

Engine4.0 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionKnown Bad

car Vehicle Data

1991 Jeep Cherokee Limited 4.0L

Engine4.0 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionKnown Bad